






"""simple docstring"""





def 	lowerCamelCase__			(				_lowerCamelCase			:						float					) ->							float:

  if edge <= 0 or not isinstance(_lowerCamelCase						,							_lowerCamelCase					):
    raise ValueError('Length must be a positive.'					)
  return 3 * ((25 + 10 * (5 ** (1 / 2))) ** (1 / 2)) * (edge**2)







def 	lowerCamelCase__			(				_lowerCamelCase			:						float					) ->							float:

  if edge <= 0 or not isinstance(_lowerCamelCase						,							_lowerCamelCase					):
    raise ValueError('Length must be a positive.'					)
  return ((15 + (7 * (5 ** (1 / 2)))) / 4) * (edge**3)


if __name__ == "__main__":
  import doctest

  doctest.testmod()












"""simple docstring"""





def 	lowerCamelCase__			(				_lowerCamelCase			:						float						,							_lowerCamelCase			:						float					) ->							float:

  if density <= 0:
    raise ValueError('Impossible fluid density'					)
  if bulk_modulus <= 0:
    raise ValueError('Impossible bulk modulus'					)

  return (bulk_modulus / density) ** 0.5


if __name__ == "__main__":
  import doctest

  doctest.testmod()




